A Review of Soft Actuator Motion: Actuation, Design, Manufacturing and Applications

Compared with traditional rigid robots, soft robots have high flexibility, low stiffness, and adaptability to unstructured environments, and as such have great application potential in scenarios such as fragile object grasping and human machine interaction. Similar to biological muscles, the soft ac...

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Bibliographic Details
Published inActuators Vol. 11; no. 11; p. 331
Main Authors Tang, Xianzhi, Li, Huaqiang, Ma, Teng, Yang, Yang, Luo, Ji, Wang, Haidan, Jiang, Pei
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.11.2022
Subjects
Actuation
Actuators
applications
Chemical reactions
Comparative analysis
Crystal structure
design
Electric fields
Electrodes
Electrolytes
Energy efficiency
Humidity
Light
Magnetic fields
Manufacturing
Muscles
Production methods
Production processes
Rheology
Robots
soft actuator
Soft robotics
Stiffness
Viscosity
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Summary:Compared with traditional rigid robots, soft robots have high flexibility, low stiffness, and adaptability to unstructured environments, and as such have great application potential in scenarios such as fragile object grasping and human machine interaction. Similar to biological muscles, the soft actuator is one of the most important parts in soft robots, and can be activated by fluid, thermal, electricity, magnet, light, humidity, and chemical reaction. In this paper, existing principles and methods for actuation are reviewed. We summarize the preprogrammed and reprogrammed structures under different stimuli to achieve motions such as bending, linear, torsional, spiral. and composite motions, which could provide a guideline for new soft actuator designs. In addition, predominant manufacturing methods and application fields are introduced, and the challenges and future directions of soft actuators are discussed.
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ISSN:2076-0825
2076-0825
DOI:10.3390/act11110331